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2 197 511

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(51)

IPC

(21) (22)

Application

2001108312/03, 2001-03-27

(24)

Start date

2001-03-27

(22)

Actual filing date

2001-03-27

(45)

Published

2003-01-27

(72)

Inventor

Makhoro V.A.Chichkanova T.V.Kamenshchikov F.A.Arslanov F.G.Samatov R.M.

(73)

Holder

Makhoro Vladimir AlekseevichChichkanova Tamara ValentinovnaKamenshchikov Feliks Anatol'EvichSamatov Rif MansurovichArslanov Farit Ganeevich

LUBRICATING ADDITIVE FOR DRILLING MUDS Russian patent published in 2003 - IPC

Abstract RU 2197511 C2

FIELD: oil and gas production. SUBSTANCE: additive contains, wt %: light-weight tall oil 35-55, oxyethylenated alkylphenol C₉H₁₉C₆H₄(OC₂H₄)₁₀OH 5-10, triethanolamine 5-10, and propylene pentamer 35-55. EFFECT: lowered friction factor in drilling muds and reduced consumption of additive. 2 tbl

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RU 2 197 511 C2

Authors

Makhoro V.A.

Chichkanova T.V.

Kamenshchikov F.A.

Arslanov F.G.

Samatov R.M.

Dates

2003-01-27—Published

2001-03-27—Filed